/* ====================================================
   OKALM — Styles globaux
   Branding: primary #337843, orange #F47A1F,
             vert profond #0D6E4F, vert clair #10B981
==================================================== */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary: #337843;
  --primary-dark: #0D6E4F;
  --primary-light: #10B981;
  --orange: #F47A1F;
  --amber: #F59E0B;
  --text: #111827;
  --text-muted: #6B7280;
  --bg: #FFFFFF;
  --bg-light: #F9FAFB;
  --border: #E5E7EB;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(0,0,0,.10);
  --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font); color: var(--text); background: var(--bg); line-height: 1.6; }
img { max-width: 100%; display: block; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Layout */
.container { max-width: 960px; margin: 0 auto; padding: 0 20px; }
.section { padding: 64px 0; }
.section--alt { background: var(--bg-light); }
.section--dark { background: var(--primary-dark); color: #fff; }

/* Typography */
h1 { font-size: clamp(2rem, 5vw, 3rem); font-weight: 900; line-height: 1.15; }
h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); font-weight: 800; line-height: 1.2; }
h3 { font-size: 1.25rem; font-weight: 700; }
p { margin-bottom: 1rem; }
.text-muted { color: var(--text-muted); }
.text-center { text-align: center; }
.text-white { color: #fff; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px; padding: 14px 28px; border-radius: 999px; font-weight: 700;
  font-size: 1rem; cursor: pointer; border: none; transition: transform .15s, box-shadow .15s;
  text-decoration: none;
}
.btn:hover { transform: translateY(-2px); text-decoration: none; }
.btn--primary { background: var(--primary); color: #fff; box-shadow: 0 4px 16px rgba(51,120,67,.35); }
.btn--primary:hover { background: var(--primary-dark); box-shadow: 0 8px 24px rgba(51,120,67,.40); }
.btn--orange { background: var(--orange); color: #fff; box-shadow: 0 4px 16px rgba(244,122,31,.35); }
.btn--orange:hover { box-shadow: 0 8px 24px rgba(244,122,31,.40); }
.btn--outline { background: transparent; border: 2px solid var(--primary); color: var(--primary); }
.btn--outline:hover { background: var(--primary); color: #fff; }
.btn--outline-white { background: transparent; border: 2px solid #fff; color: #fff; }
.btn--outline-white:hover { background: rgba(255,255,255,.1); }
.btn--lg { padding: 18px 36px; font-size: 1.1rem; }
.btn--sm { padding: 10px 20px; font-size: .9rem; }

/* Cards */
.card {
  background: #fff; border-radius: var(--radius); padding: 28px;
  box-shadow: var(--shadow); border: 1px solid var(--border);
}
.card--primary { border-top: 4px solid var(--primary); }

/* Grid */
.grid { display: grid; gap: 24px; }
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.grid--4 { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }

/* Badge */
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 14px; border-radius: 999px; font-size: .85rem; font-weight: 700;
}
.badge--green { background: #DCFCE7; color: var(--primary); }
.badge--orange { background: #FEF3C7; color: #92400E; }
.badge--blue { background: #DBEAFE; color: #1D4ED8; }

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary-light));
  color: #fff; padding: 80px 20px 64px;
  text-align: center;
}
.hero__subtitle { font-size: 1.2rem; opacity: .9; margin: 16px 0 32px; }
.hero__cta { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* Marquee */
.marquee-wrap { overflow: hidden; background: var(--primary); color: #fff; padding: 10px 0; white-space: nowrap; }
.marquee { display: inline-block; animation: marquee 25s linear infinite; }
.marquee span { padding: 0 32px; font-weight: 600; }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* Chips */
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  padding: 6px 14px; border-radius: 999px; font-size: .85rem; font-weight: 600;
  background: var(--bg-light); border: 1px solid var(--border); color: var(--text-muted);
}
.chip--green { background: #DCFCE7; color: var(--primary); border-color: #BBF7D0; }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.95);
  backdrop-filter: blur(12px); border-bottom: 1px solid var(--border);
  padding: 14px 20px;
}
.nav__inner { max-width: 960px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; }
.nav__logo { font-weight: 900; font-size: 1.4rem; color: var(--primary); text-decoration: none; }
.nav__links { display: flex; gap: 24px; align-items: center; }
.nav__links a { color: var(--text-muted); font-weight: 600; font-size: .95rem; }
.nav__links a:hover { color: var(--primary); text-decoration: none; }
.nav__toggle { display: none; background: none; border: none; cursor: pointer; font-size: 1.5rem; }

/* Footer */
.footer { background: #111827; color: #9CA3AF; padding: 48px 20px 32px; }
.footer__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 32px; margin-bottom: 32px; }
.footer__title { color: #fff; font-weight: 700; margin-bottom: 12px; }
.footer__link { display: block; color: #9CA3AF; margin-bottom: 8px; font-size: .9rem; }
.footer__link:hover { color: #fff; }
.footer__bottom { border-top: 1px solid #374151; padding-top: 24px; text-align: center; font-size: .85rem; }

/* Forms */
.form-group { margin-bottom: 20px; }
.form-label { display: block; margin-bottom: 6px; font-weight: 600; font-size: .95rem; }
.form-input, .form-select, .form-textarea {
  width: 100%; padding: 12px 16px; border-radius: var(--radius);
  border: 2px solid var(--border); font-family: inherit; font-size: 1rem;
  transition: border-color .2s;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none; border-color: var(--primary);
}
.form-textarea { resize: vertical; min-height: 120px; }
.form-card { max-width: 540px; margin: 0 auto; }

/* Alert */
.alert { padding: 14px 18px; border-radius: var(--radius); margin-bottom: 16px; font-weight: 600; }
.alert--success { background: #DCFCE7; color: #166534; border: 1px solid #BBF7D0; }
.alert--error { background: #FEE2E2; color: #991B1B; border: 1px solid #FECACA; }

/* Table */
.table-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--border); }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--border); }
th { background: var(--bg-light); font-weight: 700; font-size: .9rem; }
tr:last-child td { border-bottom: none; }

/* Steps */
.steps { counter-reset: step; }
.step { display: flex; gap: 20px; margin-bottom: 32px; }
.step__num {
  width: 44px; height: 44px; border-radius: 50%; background: var(--primary);
  color: #fff; font-weight: 800; font-size: 1.1rem;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.step__content h3 { margin-bottom: 6px; }

/* Legal */
.legal { max-width: 800px; margin: 0 auto; padding: 40px 20px; }
.legal h1 { font-size: 1.8rem; margin-bottom: 8px; }
.legal .meta { color: var(--text-muted); font-size: .9rem; margin-bottom: 32px; }
.legal h2 { font-size: 1.2rem; margin: 28px 0 10px; padding-top: 12px; border-top: 1px solid var(--border); }
.legal ul, .legal ol { margin: 8px 0 16px 24px; }
.legal li { margin-bottom: 4px; }

/* FAQ */
.faq-item { border-bottom: 1px solid var(--border); }
.faq-q {
  width: 100%; text-align: left; padding: 18px 0; background: none; border: none;
  font-weight: 700; font-size: 1rem; cursor: pointer; display: flex; justify-content: space-between;
  align-items: center; color: var(--text);
}
.faq-q::after { content: '+'; font-size: 1.4rem; color: var(--primary); }
.faq-q.open::after { content: '−'; }
.faq-a { display: none; padding: 0 0 18px; color: var(--text-muted); }
.faq-a.open { display: block; }

/* Utils */
.mt-0 { margin-top: 0; } .mt-1 { margin-top: 8px; } .mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; } .mt-4 { margin-top: 32px; }
.mb-0 { margin-bottom: 0; } .mb-1 { margin-bottom: 8px; } .mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; } .mb-4 { margin-bottom: 32px; }

/* Responsive */
@media (max-width: 640px) {
  .nav__links { display: none; }
  .nav__links.open { display: flex; flex-direction: column; position: absolute; top: 60px; left: 0; right: 0; background: #fff; padding: 20px; border-bottom: 1px solid var(--border); z-index: 200; }
  .nav__toggle { display: block; }
  .hero { padding: 56px 20px 48px; }
  .section { padding: 48px 0; }
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
}

/* WhatsApp FAB */
.whatsapp-fab {
  position: fixed; bottom: 24px; right: 24px; z-index: 999;
  background: #25D366; color: #fff; width: 56px; height: 56px;
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem; box-shadow: 0 4px 16px rgba(37,211,102,.5);
  text-decoration: none; transition: transform .2s;
}
.whatsapp-fab:hover { transform: scale(1.1); text-decoration: none; }